Costar Group, Inc.
Overview
Costar Group, Inc. is listed on Nasdaq and classified as Services-Business Services, Nec. We have no business description beyond that classification; its SEC filings describe the business.
| Information | Status | As of |
|---|---|---|
| Detailed research report | No report | |
| Rule-based screens | On 1 shortlist: Most insider buying | 2026-10-31 |
| Valuation | Model 2.99 (-90% vs price) | 2026-10-31 |
| Chart-pattern read | No read | |
| Paper portfolio | Never held |
Scores
On the current shortlists: Most insider buying (#11).
| Method | Score | Inputs as of | Flags |
|---|---|---|---|
| Graham Defensive | 45 | 2025-12-31 | stale input |
| Magic Formula | 6 | 2026-03-31 | stale input |
| Momentum | 11 | 2026-10-30 | |
| Insider | 57 | 2026-10-30 | |
| Buffett Quality | 36 | 2026-09-30 | |
| Lynch GARP | 27 | 2026-09-30 | |
| Graham Enterprising | 39 | 2026-09-30 | |
| Piotroski F-Score | 67 |
Every input with its filing: full score sheet · research packet (JSON) · Markdown · SEC filings.
Valuation
2.99 -90% vs price
Range 0.58 to 6.15, 3 of 3 methods agree. A labelled model estimate, not a price target. Method.